Results 51 to 60 of about 9,656 (299)

Elinvar Materials: Recent Progress and Challenges

Advanced Engineering Materials, EarlyView.
Elinvar materials, exhibiting temperature‐invariant elastic modulus, are critical for precision instruments and emerging technologies. This article reviews recent progress in the field, with a focus on the anomalous thermoelastic behavior observed in key material systems.
Wenjie Li, Yang Ren
wiley   +1 more source

Nondestructive testing of composite T-Joints by TNDT and other methods

Polymer Testing, 2021
Detecting delaminations in the stringer foot areas of “T -joints” made of carbon fiber reinforced polymer (CFRP) composite is a challenging task for standard nondestructive testing (NDT) techniques.
Vladimir Vavilov, Arsenii Chulkov, Stanislav Dubinskii, Douglas Burleigh, Victor Shpilnoi, Daria Derusova, Vadim Zhvyrblia   +6 more
doaj   +1 more source

Bias‐Free Highly Efficient and Stable Dye‐Sensitized Photoelectrochemical Cells via Cascade Charge Transfer

Advanced Functional Materials, EarlyView.
A buried‐junction DSPEC design is introduced that leverages cascade charge transfer to enhance efficiency, stability, and versatility. This approach facilitates effective charge transfer and minimizes recombination losses, leading to significant improvements.
Jun‐Hyeok Park, Kyounglim Kim, Jinyoung Lee, Sarang Kim, Gwangsu Yoon, So Yeon Yoon, Jeong Kyeong Lee, Ji‐Wook Jang, Tae‐Hyuk Kwon   +8 more
wiley   +1 more source

Advances of Machine Learning in Phased Array Ultrasonic Non-Destructive Testing: A Review

AI
Recent advancements in machine learning (ML) have led to state-of-the-art performance in various domain-specific tasks, driving increasing interest in its application to non-destructive testing (NDT). Among NDT techniques, phased array ultrasonic testing
Yiming Na, Yunze He, Baoyuan Deng, Xiaoxia Lu, Hongjin Wang, Liwen Wang, Yi Cao   +6 more
doaj   +1 more source

PAUT-based defect detection method for submarine pressure hulls

International Journal of Naval Architecture and Ocean Engineering, 2018
A submarine has a pressure hull that can withstand high hydraulic pressure and therefore, requires the use of highly advanced shipbuilding technology. When producing a pressure hull, periodic inspection, repair, and maintenance are conducted to maintain ...
Min-jae Jung, Byeong-cheol Park, Jeong-hoon Bae, Sung-chul Shin   +3 more
doaj   +1 more source

Photoacoustic ultrasound sources from diffusion-limited aggregates

, 2016
Metallic diffusion-limited aggregate (DLA) films are well-known to exhibit near-perfect broadband optical absorption. We demonstrate that such films also manifest a substantial and relatively material-independent photoacoustic response, as a consequence ...
Alexander Kotlerman, David M. Weld, Eli Wolf, Harris L., Krutik Patel, Morgan Brubaker, Robert Salazar   +6 more
core   +2 more sources

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Frequency selective wave beaming in nonreciprocal acoustic phased arrays

Scientific Reports, 2020
Acoustic phased arrays are capable of steering and focusing a beam of sound via selective coordination of the spatial distribution of phase angles between multiple sound emitters.
Revant Adlakha, Mohammadreza Moghaddaszadeh, Mohammad A. Attarzadeh, Amjad Aref, Mostafa Nouh   +4 more
doaj   +1 more source

Adapting the Time-Domain Synthetic Aperture Focusing Technique (T-SAFT) to Laser Ultrasonics for Imaging the Subsurface Defects

Sensors, 2023
Traditional ultrasonic testing uses a single probe or phased array probe to investigate and visualize defects by adapting certain imaging algorithms. The time-domain synthetic aperture focusing technique (T-SAFT) is an imaging algorithm that employs a ...
Sundara Subramanian Karuppasamy, Che-Hua Yang   +1 more
doaj   +1 more source

An omnidirectional shear horizontal wave transducer based on ring array of face-shear (d24) piezoelectric ceramics

, 2016
The non-dispersive fundamental shear horizontal (SH0) wave in plate-like structures is of practical importance in non-destructive testing (NDT) and structural health monitoring (SHM).
Huan, Qiang, Li, Faxin, Miao, Hongchen, Wang, Qiangzhong   +3 more
core   +1 more source